Constitutional Court Procedure Act Article 19
(Summons of Parties, Interested Persons, and Experts)As is required by the case, the Constitutional Court may, on its own motion or the party's motion, summon the parties and the interested persons to appear in court to give their opinions. The Court may also solicit expert opinion or information on relevant issues from appointed experts, scholars, authorities or associations.The Constitutional Court shall serve the persons referred to in the preceding Paragraph with the summons and the notice of designation.The persons or associations other than the parties and interested persons who are solicited to submit expert opinion or information under Paragraph 1 shall reveal the information below:(1) whether they have collaborated with the parties, interested persons, or their agents on the preparation or submission of the solicited expert opinion or information;(2) whether they have received remuneration or other forms of financial assistance from the parties, interested persons, or their agents in the preparation or submission of the solicited expert opinion and information; if so, the value or amounts thereof received; and(3) the personal details of those who have offered them remuneration or other forms of financial support and the value or amounts thereof received.
中文原文 憲法訴訟法第19條
憲法法庭審理案件認有必要時，得依職權或依聲請，通知當事人或關係人到庭說明、陳述意見，並得指定專家學者、機關或團體就相關問題提供專業意見或資料。
前項通知或指定，應以通知書送達。
當事人、關係人以外之人民或團體，依第一項指定提出專業意見或資料時，應揭露以下資訊：
一、相關專業意見或資料之準備或提出，是否與當事人、關係人或其代理人有分工或合作關係。
二、相關專業意見或資料之準備或提出，是否受當事人、關係人或其代理人之金錢報酬或資助及其金額或價值。
三、其他提供金錢報酬或資助者之身分及其金額或價值。
前項通知或指定，應以通知書送達。
當事人、關係人以外之人民或團體，依第一項指定提出專業意見或資料時，應揭露以下資訊：
一、相關專業意見或資料之準備或提出，是否與當事人、關係人或其代理人有分工或合作關係。
二、相關專業意見或資料之準備或提出，是否受當事人、關係人或其代理人之金錢報酬或資助及其金額或價值。
三、其他提供金錢報酬或資助者之身分及其金額或價值。